A man stands still on a moving walkway that is going at a speed of 0.4 m/s to the east. What is the velocity of the man according to a stationary observer?

What is the energy due to compressing a spring

Is it possible for a change of physical state to occur in an isolated system?

Two charged objects attract each other with a force of F. What happens to the force between them if one charge is doubled, the other charge is tripled, and the separation distance between their centers is reduced to ¼ its original value?

What is newton second law definition?

What is the tendency for an object to resist any change in its motion called?

Imagine you are on a bus with a helium balloon tied on a string tied to the seat in front of you. the bus stops short to avoid running over a rabbit and you are thrown forward. what happens to the balloon in relation to the bus? 1. the balloon pops.

Give one reason why the density of iron is higher than the density of oxygen

In which region of the periodic table do the elements NOT normally react chemically with other elements? A. metals B. metalloids C. nonmetals D. noble gases

A hot air ballon was a mass of 400 kilograms moves across the sky with 3200 joules of kinetic energy. the velocity of the balloon is

What Is a mineral made of oxidized hydrogen